Item: Ring Brand: Cartier Model Name: 1895 Wedding Series: 2.4 mm (0.09 in) Category: Ladies Serial: HZ87** Material: Pt950 Platinum Weight: 3.12 g Size: 52 Actual size: No. 11.5 (our measurement size) the actual size may differ slightly from each brand's specifications. Ring inner diameter: 16 mm (0.63 in) Ring width (maximum): 2.4 mm (0.09 in) Accessories: None Condition: Used item: with only slight signs of use, polished • Ring size listed will usually be international sizing, not US, unless otherwise stated. You accept this description upon purchase. Please use the Ring Size Chart.